1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.upgrade.v4_4_0.util;
24  
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.upgrade.util.BaseUpgradeColumnImpl;
27  import com.liferay.portal.upgrade.util.UpgradeColumn;
28  
29  import java.util.HashSet;
30  import java.util.Set;
31  
32  /**
33   * <a href="DLFolderNameColumnImpl.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Alexander Chow
36   */
37  public class DLFolderNameColumnImpl extends BaseUpgradeColumnImpl {
38  
39      public DLFolderNameColumnImpl(
40          UpgradeColumn groupIdColumn, UpgradeColumn parentFolderIdColumn) {
41  
42          super("name", null);
43  
44          _groupIdColumn = groupIdColumn;
45          _parentFolderIdColumn = parentFolderIdColumn;
46      }
47  
48      public Set<String> getDistintNames() {
49          return _distinctNames;
50      }
51  
52      public Object getNewValue(Object oldValue) throws Exception {
53          String newName = (String)oldValue;
54  
55          while (_distinctNames.contains(_getKey(newName))) {
56              _counter++;
57  
58              newName = newName + StringPool.SPACE + _counter;
59          }
60  
61          _distinctNames.add(_getKey(newName));
62  
63          return newName;
64      }
65  
66      private String _getKey(String name) {
67          StringBuilder sb = new StringBuilder();
68  
69          sb.append(_groupIdColumn.getOldValue());
70          sb.append(StringPool.UNDERLINE);
71          sb.append(_parentFolderIdColumn.getOldValue());
72          sb.append(StringPool.UNDERLINE);
73          sb.append(name);
74  
75          return sb.toString();
76      }
77  
78      private UpgradeColumn _groupIdColumn;
79      private UpgradeColumn _parentFolderIdColumn;
80      private int _counter = 0;
81      private Set<String> _distinctNames = new HashSet<String>();
82  
83  }